CN204672260U - A kind of Chemical Manufacture automatic feeding system - Google Patents
A kind of Chemical Manufacture automatic feeding system Download PDFInfo
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- CN204672260U CN204672260U CN201520366010.7U CN201520366010U CN204672260U CN 204672260 U CN204672260 U CN 204672260U CN 201520366010 U CN201520366010 U CN 201520366010U CN 204672260 U CN204672260 U CN 204672260U
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Abstract
The utility model relates to a kind of Chemical Manufacture automatic feeding system, comprises feeding assembly, is also included in line density measurement components, differential pressure type level measurement components and pressure type flow rate sensor cluster.It is many that it can solve field operation personnel, extensive management, potential safety hazard is high, repeatedly there is industrial accident, cause the problem of personal damage, solve Field Force and operate control, random large, control accuracy is poor, extreme influence product quality, cause production cost high, can not effectively adapt to chemical industry industrial development, Chemical Manufacture can not be met to problems such as safety requirements, effective Measurement & Control can be carried out to production link, greatly reduce site operation personnel again simultaneously, meet the requirement of modern chemical industry production safety.
Description
Technical field
The utility model belongs to technical field of chemical, relates to a kind of charging system, particularly relates to a kind of Chemical Manufacture automatic feeding system.
Background technology
At present, along with survey control technology development and its raw material height poison of Chemical Manufacture, high burn into height inflammable, explosive, Field Force is manipulated abnormally dangerous; Chemical engineering industry is again accurate industry, and material proportion requires high, chemical engineering industry is produced and requires more and more higher for control system; So require that Chemical Manufacture automatic feeding system carries out effective Measurement & Control to production link, greatly reduce site operation personnel again simultaneously, meet the requirement of modern chemical industry production safety; Past Chemical Manufacture limits with control technology because technique falls behind, and industrial production exists a large amount of field operation personnel, extensive management, and potential safety hazard is high, repeatedly industrial accident occurs, and causes personal damage; And Field Force operates control, random large, control accuracy is poor, extreme influence product quality, causes production cost high, can not effectively adapt to chemical industry industrial development, can not meet Chemical Manufacture to safety requirements.For this reason, need a kind of Chemical Manufacture automatic feeding system, solve field operation personnel many, extensive management, potential safety hazard is high, repeatedly there is industrial accident, cause the problem of personal damage, solve Field Force and operate control, random large, control accuracy is poor, extreme influence product quality, cause production cost high, can not effectively adapt to chemical industry industrial development, Chemical Manufacture can not be met to problems such as safety requirements, effective Measurement & Control can be carried out to production link, greatly reduce site operation personnel again simultaneously, meet the requirement of modern chemical industry production safety.
Utility model content
The purpose of this utility model is, a kind of Chemical Manufacture automatic feeding system is provided, solve field operation personnel many, extensive management, potential safety hazard is high, repeatedly there is industrial accident, cause the problem of personal damage, solve Field Force and operate control, random large, control accuracy is poor, extreme influence product quality, cause production cost high, can not effectively adapt to chemical industry industrial development, Chemical Manufacture can not be met to problems such as safety requirements, effective Measurement & Control can be carried out to production link, greatly reduce site operation personnel again simultaneously, meet the requirement of modern chemical industry production safety.
For achieving the above object, the utility model provides a kind of Chemical Manufacture automatic feeding system, comprises feeding assembly, is also included in line density measurement components, temperature survey assembly, level gauging assembly, flow sensor assembly and pressure safeguards system composition;
Feeding assembly comprises import adpting flange, valve, pneumatic on-off valve, valve, connection short tube and a feed material case;
Online density measuring assembly comprises upper pressure sensor, low pressure sensor and built-in volume box;
Temperature survey assembly comprises thermal resistance, thermal resistance base;
Level gauging assembly comprises pneumatic outlet valve, large body feed tank inlet valve, feed pipe, large body feed tank magnetostriction liquidometer, little body feed tank inlet valve, little body feed tank magnetostriction liquidometer, top pressure sensor and base pressure sensor;
Flow sensor assembly comprises large body feed tank, large body feed tank magnetostriction liquidometer, large body feed tank control valve, little body feed tank, little body feed tank magnetostriction liquidometer, little body feed tank control valve and discharging connector;
Pressure safeguards system assembly comprises nitrogen magnetic valve, top pressure sensor.
In feeding assembly, import adpting flange is arranged on the front end of a valve, and import adpting flange is connected with chemical industry feed pipe, one time valve is connected with pneumatic on-off valve, pneumatic on-off valve is connected with valve, valve be connected short tube and be connected, valve is also connected with feed material case;
In online density measuring assembly, upper pressure sensor and low pressure sensor are arranged on the sidewall of feed material case, and the sidewall of feed material case is connected with built-in volume box, the upper and lower of built-in volume box is respectively equipped with and is communicated with for material the upper perforate and lower perforate that exchange;
In temperature survey assembly, thermal resistance and thermal resistance floor installation are at the sidewall of feed material case;
In level gauging assembly, bottom feed material case, install pneumatic outlet valve, pneumatic outlet valve rear portion connects large body feed tank inlet valve, and large body feed tank inlet valve connects feed pipe; The first connected entrance is had at feed material case and large body feed tank connecting wall top; At large body feed tank top, large body feed tank magnetostriction liquidometer is installed, at large body feed tank top, top pressure sensor is installed, the base pressure sensor simultaneously installed bottom top pressure sensor and large body feed tank forms differential pressure type level measuring system, and compared with the measurement result of large body feed tank magnetostriction liquidometer; The first connected entrance is had at large body feed tank and little body feed tank connecting wall top; Pneumatic outlet valve rear portion connects little body feed tank inlet valve, installs little body feed tank magnetostriction liquidometer at little body feed tank top;
In flow sensor assembly, be volumetric standard at large body feed tank, at its top, large body feed tank magnetostriction liquidometer be installed; Large body feed tank side lower installs large body feed tank outlet valve, installs large body feed tank control valve at large body feed tank outlet valve rear portion, connects discharging connector at large body feed tank control valve rear portion; Little body feed tank is volumetric standard; Little body feed tank magnetostriction liquidometer is installed on its top, installs little body feed tank outlet valve bottom little body feed tank, and install little body feed tank control valve at little body feed tank outlet valve rear portion, little discharging tube connector is connected to discharging connector position;
In pressure safeguards system assembly, install nitrogen magnetic valve at feed material upper box part, nitrogen magnetic valve is connected with nitrogen inlet; Have connected entrance at feed material case and large body feed tank connecting wall top, have connected entrance at large body feed tank and little body feed tank connecting wall top, at large body feed tank top, top pressure sensor is installed.
In above scheme preferably, upper pressure sensor and low pressure sensor form on-line densimeter to level gauging signal compensation mechanism, to guarantee certainty of measurement.
Can also preferably, large body feed tank magnetostriction liquidometer is installed and is provided with large body feed tank liquid level gauge base.
Can also preferably, little body feed tank magnetostriction liquidometer is installed and is provided with large body feed tank liquid level gauge base.
The utility model compared with prior art, has the following advantages:
Chemical Manufacture automatic feeding system of the present utility model, field operation personnel can be solved many, extensive management, potential safety hazard is high, repeatedly there is industrial accident, cause the problem of personal damage, Field Force can be solved and operate control, random large, control accuracy is poor, extreme influence product quality, cause production cost high, can not effectively adapt to chemical industry industrial development, Chemical Manufacture can not be met to problems such as safety requirements, it can carry out effective Measurement & Control to production link, greatly reduce site operation personnel again simultaneously, meet the requirement of modern chemical industry production safety, and there is following features:
(1) integrated package assembly, built-in density, liquid level, pressure, temperature point, measuring point signal interaction, ensure certainty of measurement, adopt operated pneumatic valve to control, can complete and meet auto feed various requirement, simultaneously easy to install, replace site operation personnel completely;
(2) discharging adopts switch valve to connect with control valve, ensures that material cuts off, and control valve is used for regulating mass flow, and meet reinforced speed requirement, system can ensure switch performance, has regulating action again;
(3) because connected entrance is arranged at system body feed tank top, ensure body feed tank internal pressure balance, avoid pressure imbalance to cause Measurement & Control error, nitrogen regulates internal pressure, ensures that material discharging mobility is with stable;
(4) on-line densimeter design, ensure its signal and liquid level signal combined calculation, because density is measured in real time, effectively can eliminate variations in temperature, to material density change, cause measured deviation, both ensured that system is measured volume signals, according to production requirement, in real time quality of material can be measured again;
(5) at standard large body feed tank setting pressure sensor, can ensure body feed tank pressure monitor, top and bottom pressure sensor forms again differential pressure type level measuring system simultaneously, with magnetostriction liquidometer signal reference, improves system cloud gray model security;
(6) at body feed tank, pneumatic outlet valve is installed, is to the protection of size body feed tank inlet valve, prevents size body feed tank inlet valve malfunctioning, cause potential safety hazard;
(7) adopt thermal resistance both to densitometer temperature-compensating, can monitor temperature of charge again, improve system safety in utilization.
Chemical Manufacture automatic feeding system of the present utility model, in various chemical engineering industry, use its Measure Precision high, the stability of a system is high, and systematic survey point is many, and security of system is high, realizes chemical process automation and to feed in raw material function.
Accompanying drawing explanation
Fig. 1 is the side view cutaway drawing of Chemical Manufacture automatic feeding system of the present utility model;
Fig. 2 is the vertical view cutaway drawing of Chemical Manufacture automatic feeding system of the present utility model.
In figure, 1 is import adpting flange, 2 is a valve, 3 is pneumatic on-off valve, 4 is valve, 5 for connecting short tube, 6 is upper pressure sensor, 7 is low pressure sensor, 8 is built-in volume box, 9 is feed material case, 10 is the first connected entrance, 11 is large body feed tank, 12 is feed pipe, 13 is little body feed tank, 14 is the second connected entrance, 15 is top pressure sensor, 16 is base pressure sensor, 17 is pneumatic outlet valve, 18 is large body feed tank inlet valve, 19 is little body feed tank inlet valve, 20 is large body feed tank magnetostriction liquidometer, 21 is large body feed tank liquid level gauge base, 22 is little body feed tank magnetostriction liquidometer, 23 is little body feed tank liquid level gauge base, 24 is large body feed tank outlet valve, 25 is large body feed tank control valve, 26 is little body feed tank outlet valve, 27 is little body feed tank control valve, 28 is discharging connector, 29 is little discharging tube connector, 30 is nitrogen magnetic valve, 31 is nitrogen inlet, 32 is thermal resistance, 33 is thermal resistance base, 34 is upper perforate, 35 is lower perforate.
Detailed description of the invention
As depicted in figs. 1 and 2, a kind of Chemical Manufacture automatic feeding system, comprises feeding assembly, is also included in line density measurement components, temperature survey assembly, level gauging assembly, flow sensor assembly and pressure safeguards system assembly composition.
Feeding assembly comprises import adpting flange 1, valve 2, pneumatic on-off valve 3, valve 4, connects short tube 5 and feed material case 9;
Online density measuring assembly comprises upper pressure sensor 6, low pressure sensor 7 and built-in volume box 8;
Temperature survey assembly comprises thermal resistance 32, thermal resistance base 33;
Level gauging assembly comprises pneumatic outlet valve 17, large body feed tank inlet valve 18, feed pipe 12, large body feed tank magnetostriction liquidometer 20, little body feed tank inlet valve 19, little body feed tank magnetostriction liquidometer 22, top pressure sensor 15 and base pressure sensor 16;
Flow sensor assembly comprises large body feed tank 11, large body feed tank magnetostriction liquidometer 20, large body feed tank control valve 25, little body feed tank 13, little body feed tank magnetostriction liquidometer 22, little body feed tank control valve 27 and discharging connector 28;
Pressure safeguards system assembly comprises nitrogen magnetic valve 30, top pressure sensor 15.
In feeding assembly, import adpting flange 1 is arranged on the front end of a valve 2, import adpting flange 1 is connected with chemical industry feed pipe, one time valve 2 is connected with pneumatic on-off valve 3, pneumatic on-off valve 3 is connected with valve 4, valve 4 be connected short tube 5 and be connected, valve 4 is also connected with feed material case 9;
In online density measuring assembly, upper pressure sensor 6 and low pressure sensor 7 are arranged on the sidewall of feed material case 9, and the sidewall of feed material case 9 is connected with built-in volume box 8 (affecting measuring to reduce material feeding), the upper and lower of built-in volume box 8 is respectively equipped with and is communicated with for material the upper perforate 34 and lower perforate 35 that exchange;
In temperature survey assembly, thermal resistance 32 and thermal resistance base 33 are arranged on the sidewall of feed material case 9, measure, and compensate density for temperature of charge;
In level gauging assembly, install pneumatic outlet valve 17 bottom feed material case 9, pneumatic outlet valve 17 rear portion connects large body feed tank inlet valve 18, and large body feed tank inlet valve 18 connects feed pipe 12; The first connected entrance 10 is had, for pressure balance on feed material case 9 and large body feed tank 11 connecting wall top; At large body feed tank 11 top, large body feed tank magnetostriction liquidometer 20 is installed, for level gauging, at large body feed tank 11 top, top pressure sensor 15 is installed, measure for system pressure, the base pressure sensor 16 simultaneously installed bottom top pressure sensor 15 and large body feed tank 11 forms differential pressure type level measuring system, and compared with the measurement result of large body feed tank magnetostriction liquidometer 17; The first connected entrance 14 is had, for pressure balance with little body feed tank 13 connecting wall top at large body feed tank 11; Pneumatic outlet valve 17 rear portion connects little body feed tank inlet valve 19, installs little body feed tank magnetostriction liquidometer 22, for level gauging at little body feed tank 13 top;
In flow sensor assembly, be volumetric standard at large body feed tank 11, at its top, large body feed tank magnetostriction liquidometer 17 be installed; Large body feed tank 11 side lower installs large body feed tank outlet valve 24, installs large body feed tank control valve 25 at large body feed tank outlet valve 24 rear portion, connects discharging connector 28 at large body feed tank control valve 25 rear portion; Little body feed tank 13 is volumetric standard; Little body feed tank magnetostriction liquidometer 22 is installed on its top, installs little body feed tank outlet valve 26 bottom little body feed tank 13, and install little body feed tank control valve 27 at little body feed tank outlet valve 26 rear portion, little discharging tube connector 29 is connected to discharging connector 28 position;
In pressure safeguards system assembly, install nitrogen magnetic valve 30 on feed material case 9 top, nitrogen magnetic valve 30 is connected with nitrogen inlet 31; Have the first connected entrance 10 on feed material case 9 and large body feed tank 11 connecting wall top, have the first connected entrance 14 at large body feed tank 11 with little body feed tank 13 connecting wall top, at large body feed tank 11 top, top pressure sensor 15 is installed, measures for system pressure.
Upper pressure sensor 6 and low pressure sensor 7 form on-line densimeter to level gauging signal compensation mechanism, to guarantee certainty of measurement.
Large body feed tank magnetostriction liquidometer 20 is installed and is provided with large body feed tank liquid level gauge base 21.
Little body feed tank magnetostriction liquidometer 22 is installed and is provided with large body feed tank liquid level gauge base 23.
Chemical Manufacture automatic feeding system of the present utility model, its composition is overall forms pressure type flow rate sensing system, and its nitrogen regulates as system pressure; Its upper pressure sensor 6, low pressure sensor 7, top pressure sensor 15, base pressure sensor 16 can adopt monocrystalline silicon type pressure sensor or pressure type pressure measuring element; It adopts large body feed tank magnetostriction liquidometer 20 and little body feed tank magnetostriction liquidometer 22 to measure the liquid level of large body feed tank 11 and little body feed tank 13; It comprises thermal resistance temperature surveying and bucking-out system; It adopts pneumatic on-off valve and pneumatic control valve as executing agency.It adopts multiple measurement and control method, point size two kinds of Feed lines systems, and its certainty of measurement is high, control sensitive, integral structure is easy for installation, greatly promotes its chemical engineering industry operation automation, reduce Field Force's operation, reduce execute-in-place risk, meet chemical engineering industry production development requirement.
Chemical Manufacture automatic feeding system of the present utility model, its material first passes through: import adpting flange 1, valve 2, pneumatic on-off valve 3, valve 4, connects short tube 5 and enters feed material case 9; Wherein valve 2 and valve 4 are arranged on pneumatic on-off valve 3 both sides, in emergency circumstances manual-lock feed system, are convenient to pneumatic on-off valve maintenance simultaneously.
Upper pressure sensor 6 and low pressure sensor 7 form on-line densimeter measuring system, its principle is: upper pressure sensor 6 is measured pressure value P 1 and measured pressure value P 2 with low pressure sensor 7, and constant distance is that H1 has measured when installing between them, like this can calculation medium density: ρ=(P2-P1)/gH1 like this; Upper pressure sensor 6 and low pressure sensor 7 working region protect by built-in volume box 8, and when preventing charging, the fluctuation of feed material case medium causes measure error.Perforate 34 is set on built-in volume box 8 top, bottom arranges lower perforate 35, substitute for material, keep certainty of measurement.Feed material case 9 sidewall installs thermal resistance 32, thermal resistance base 33 is welded on feed material case 9, measures temperature of charge, plays security monitoring effect, carry out temperature-compensating to upper pressure sensor 6 and low pressure sensor 7 again, reducing temperature affects measurement result simultaneously.Nitrogen magnetic valve 30 is installed in the perforate of feed material case 9 top, and connect nitrogen pipeline system by nitrogen inlet 31, passing into nitrogen is keeping system pressure, and nitrogen and most of chemical material do not react, and are generally used for chemical reaction protective gas.Have the first connected entrance 10 on feed material case 9 top and large body feed tank 11, equally, have the second connected entrance 14 at large body feed tank 11 with little body feed tank 13, ensure that each system pressure is balanced by two connected entrances.Feed material case 9 bottom perforate is connected with pneumatic outlet valve 17, for feed material case 9 discharging.
Pneumatic outlet valve 17 rear portion connects large body feed tank inlet valve 18 and connects feed pipe 12 and little body feed tank inlet valve 19, respectively material is squeezed into large body feed tank 11 and little body feed tank 13.Generally, pneumatic outlet valve 17 is in normally open, only has when rear-fed valve goes wrong, and just closes pneumatic outlet valve 17, plays the effect of system interlock protection.Feed pipe 12 is inner at large body feed tank 11, during for system overhaul, reduces large body feed tank 11 materials inside and flows out.When manufacturing large body feed tank 11, adopting manufacturing method for container, as long as know floor space S* height H, just calculating outlet internal volume L, its formula: L=S*H.At large body feed tank top, large body feed tank magnetostriction liquidometer 20 being installed, connecting by installing large body feed tank liquid level gauge base 21.Like this as magnetostriction measurement liquid level H, just calculate material in outlet; If get on-line densimeter signal, quality of material M in case can be calculated, concrete formula: M=S*H* (P2-P1)/gH1; This system not only can meet volume in Chemical Manufacture and to have fed in raw material requirement but also meet its quality and to feed in raw material requirement.If compared with time S by material volume variation delta L, mass flow Q can be calculated again, its formula: Q=Δ L/S.Install large body feed tank outlet valve 24 at large body feed tank 11 side bottom, this is stop valve; Large body feed tank outlet valve 24 rear portion connects large body feed tank control valve 25, regulates discharging size by large body feed tank control valve 25.Top pressure sensor 15 is installed, for measuring whole system internal process pressure P3, protection system safety at large body feed tank 11 top.Bottom large body feed tank 11, base pressure sensor 16 is installed, the pressure value P 4 of measurement, compares with top pressure sensor 15 signal, height of materials H3 can be calculated, its formula:
H3=(P4-P3) H1/ (P2-P1); Compare with large body feed tank magnetostriction liquidometer 20 signal for the protection of, preventing large body feed tank magnetostriction liquidometer 20 to lose efficacy affects security of system.
Little body feed tank 13 due to its floor space little, such system volume is little, even if the change of material volume is little, obviously, little body feed tank 13 is mainly used in slow charging control or smart charging control in Chemical Manufacture in height of materials change, and to carry out work supplementary with large body feed tank 11.Little body feed tank magnetostriction liquidometer 22 is installed at little body feed tank 13 top, is installed by little body feed tank liquid level gauge base 23; Bottom little body feed tank 13, install little body feed tank outlet valve 26, it is stop valve; At little body feed tank outlet valve 26 rear portion, little body feed tank control valve 27 is installed, outlet uninterrupted can be regulated by little body feed tank control valve 27.Its little discharge nozzle 29 in little body feed tank control valve 27 rear portion, connects large discharge nozzle 28, by the discharging of large discharge nozzle 28.
Should be understood that; application of the present utility model is not limited to above-mentioned citing; for those of ordinary skills, can be improved according to the above description or convert, all these improve and convert the protection domain that all should belong to the utility model claims.
Claims (4)
1. a Chemical Manufacture automatic feeding system, comprises feeding assembly, it is characterized in that: be also included in line density measurement components, temperature survey assembly, level gauging assembly, flow sensor assembly and pressure safeguards system assembly composition;
Feeding assembly comprises import adpting flange (1), valve (2), pneumatic on-off valve (3), valve (4), connection short tube (5) and a feed material case (9);
Online density measuring assembly comprises upper pressure sensor (6), low pressure sensor (7) and built-in volume box (8);
Temperature survey assembly comprises thermal resistance (32), thermal resistance base (33);
Level gauging assembly comprises pneumatic outlet valve (17), large body feed tank inlet valve (18), feed pipe (12), large body feed tank magnetostriction liquidometer (20), little body feed tank inlet valve (19), little body feed tank magnetostriction liquidometer (22), top pressure sensor (15) and base pressure sensor (16);
Flow sensor assembly comprises large body feed tank (11), large body feed tank magnetostriction liquidometer (20), large body feed tank control valve (25), little body feed tank (13), little body feed tank magnetostriction liquidometer (22), little body feed tank control valve (27) and discharging connector (28);
Pressure safeguards system assembly comprises nitrogen magnetic valve (30), top pressure sensor (15);
In feeding assembly, import adpting flange (1) is arranged on the front end of a valve (2), import adpting flange (1) is connected with chemical industry feed pipe, one time valve (2) is connected with pneumatic on-off valve (3), pneumatic on-off valve (3) is connected with valve (4), valve (4) be connected short tube (5) and be connected, valve (4) is also connected with feed material case (9);
In online density measuring assembly, upper pressure sensor (6) and low pressure sensor (7) are arranged on the sidewall of feed material case (9), and the sidewall of feed material case (9) is connected with built-in volume box (8), the upper and lower of built-in volume box (8) is respectively equipped with and is communicated with for material the upper perforate (34) and lower perforate (35) that exchange;
In temperature survey assembly, thermal resistance (32) and thermal resistance base (33) are arranged on the sidewall of feed material case (9);
In level gauging assembly, in feed material case (9) bottom, pneumatic outlet valve (17) is installed, pneumatic outlet valve (17) rear portion connects large body feed tank inlet valve (18), and large body feed tank inlet valve (18) connects feed pipe (12); The first connected entrance (10) is had on feed material case (9) and large body feed tank (11) connecting wall top; At large body feed tank (11) top, large body feed tank magnetostriction liquidometer (20) is installed, at large body feed tank (11) top, top pressure sensor (15) is installed, the base pressure sensor (16) that top pressure sensor (15) and large body feed tank (11) bottom are installed simultaneously forms differential pressure type level measuring system, and compared with the measurement result of large body feed tank magnetostriction liquidometer (17); The first connected entrance (14) is had on large body feed tank (11) and little body feed tank (13) connecting wall top; Pneumatic outlet valve (17) rear portion connects little body feed tank inlet valve (19), installs little body feed tank magnetostriction liquidometer (22) at little body feed tank (13) top;
In flow sensor assembly, be volumetric standard at large body feed tank (11), large body feed tank magnetostriction liquidometer (17) is installed at its top; Large body feed tank (11) side lower installs large body feed tank outlet valve (24), at large body feed tank outlet valve (24) rear portion, large body feed tank control valve (25) is installed, connects discharging connector (28) at large body feed tank control valve (25) rear portion; Little body feed tank (13) is volumetric standard; Little body feed tank magnetostriction liquidometer (22) is installed on its top, little body feed tank outlet valve (26) is installed in little body feed tank (13) bottom, install little body feed tank control valve (27) at little body feed tank outlet valve (26) rear portion, little discharging tube connector (29) is connected to discharging connector (28) position;
In pressure safeguards system assembly, install nitrogen magnetic valve (30) on feed material case (9) top, nitrogen magnetic valve (30) is connected with nitrogen inlet (31); The first connected entrance (10) is had on feed material case (9) and large body feed tank (11) connecting wall top, have the first connected entrance (14) on large body feed tank (11) and little body feed tank (13) connecting wall top, at large body feed tank (11) top, top pressure sensor (15) is installed.
2. Chemical Manufacture automatic feeding system as claimed in claim 1, it is characterized in that: upper pressure sensor (6) and low pressure sensor (7) form on-line densimeter to level gauging signal compensation mechanism, to guarantee certainty of measurement.
3. Chemical Manufacture automatic feeding system as claimed in claim 1 or 2, is characterized in that: large body feed tank magnetostriction liquidometer (20) is installed and is provided with large body feed tank liquid level gauge base (21).
4. Chemical Manufacture automatic feeding system as claimed in claim 1 or 2, is characterized in that: the installation of little body feed tank magnetostriction liquidometer (22) is provided with large body feed tank liquid level gauge base (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201520366010.7U CN204672260U (en) | 2015-05-29 | 2015-05-29 | A kind of Chemical Manufacture automatic feeding system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520366010.7U CN204672260U (en) | 2015-05-29 | 2015-05-29 | A kind of Chemical Manufacture automatic feeding system |
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| CN204672260U true CN204672260U (en) | 2015-09-30 |
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| CN201520366010.7U Expired - Fee Related CN204672260U (en) | 2015-05-29 | 2015-05-29 | A kind of Chemical Manufacture automatic feeding system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104874332A (en) * | 2015-05-29 | 2015-09-02 | 江苏华尔威科技集团有限公司 | Automatic feeding system for chemical production |
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2015
- 2015-05-29 CN CN201520366010.7U patent/CN204672260U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104874332A (en) * | 2015-05-29 | 2015-09-02 | 江苏华尔威科技集团有限公司 | Automatic feeding system for chemical production |
| CN104874332B (en) * | 2015-05-29 | 2017-02-01 | 江苏华尔威科技集团有限公司 | Automatic feeding system for chemical production |
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| CF01 | Termination of patent right due to non-payment of annual fee |